#include <iostream>
#include <unistd.h>
#include <pthread.h>

int count = 0;
pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_cond_t cond = PTHREAD_COND_INITIALIZER;

void* Count(void* args)
{
    size_t number = size_t(args);

    std::cout << "pthread: " << number << " create success" << std::endl;

    while (true)
    {
        pthread_mutex_lock(&mutex);
        pthread_cond_wait(&cond, &mutex);
        std::cout << "pthread: " << number << " ， count: " << count++ << std::endl;
        pthread_mutex_unlock(&mutex);
    }
}

int main()
{
    for (size_t i = 0; i < 5; i++)
    {
        pthread_t tid;
        pthread_create(&tid, nullptr, Count, (void*)i);
        usleep(1000);
    }
    sleep(3);

    std::cout << "main thread ctrl begin: " << std::endl;

    while (true)
    {
        sleep(1);

        pthread_cond_signal(&cond);
    }

    return 0;
}